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Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal
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Supervisory-level interruption recovery in time-critical control tasks.

Farzan Sasangohar1, Stacey D Scott1, M L Cummings2

  • 1Department of Systems Design Engineering, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, Canada N2L 3G1.

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|March 4, 2014
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Summary
This summary is machine-generated.

This study shows that an interactive visual timeline helps supervisors in time-critical settings recover faster from interruptions. This interruption recovery assistance improves task performance in demanding environments like unmanned aerial vehicle missions.

Keywords:
InterruptionSupervisory controlUnmanned vehicles

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Area of Science:

  • Human-Computer Interaction
  • Cognitive Psychology
  • Team Performance in Critical Environments

Background:

  • Interruptions negatively impact task performance, especially in time-critical settings.
  • Effective interruption recovery tools are crucial for maintaining situational awareness and task completion.
  • Supervisory roles in time-critical operations require robust support systems to manage disruptions.

Purpose of the Study:

  • To evaluate the effectiveness of an interactive visual timeline for interruption recovery assistance.
  • To assess the impact of peripheral display assistance on human supervisors in time-critical scenarios.
  • To determine if visual timeline support improves speed and accuracy of task resumption after interruptions.

Main Methods:

  • A user study was conducted using an experimental platform simulating an unmanned aerial vehicle (UAV) mission.
  • Participants acted as human supervisors managing a team of operators during a time-critical scenario.
  • The study compared performance with and without an interactive visual timeline for interruption recovery.

Main Results:

  • Providing an interactive visual timeline significantly reduced the time required for supervisors to recover from interruptions.
  • Assistance via the visual timeline led to more accurate task resumption compared to unassisted conditions.
  • The system effectively supported supervisors in maintaining performance during a simulated time-critical mission.

Conclusions:

  • Interactive visual timelines are effective tools for enhancing interruption recovery in time-critical supervisory roles.
  • This interface design has practical implications for improving human performance in domains like air-traffic control and process control.
  • Peripheral display assistance can be a valuable component in designing resilient systems for high-pressure environments.